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<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>Blockly Demo: Mirrored Blockly</title>
<script src="../../blockly_compressed.js"></script>
<script src="../../blocks_compressed.js"></script>
<script src="../../msg/js/en.js"></script>
<style>
body {
background-color: #fff;
font-family: sans-serif;
}
h1 {
font-weight: normal;
font-size: 140%;
}
</style>
</head>
<body>
<h1><a href="https://developers.google.com/blockly/">Blockly</a> >
<a href="../index.html">Demos</a> > Mirrored Blockly</h1>
<p>This is a simple demo of a master Blockly that controls a slave Blockly.
Open the JavaScript console to see the event passing.</p>
<p>→ More info on <a href="https://developers.google.com/blockly/guides/configure/web/events">events</a>…</p>
<table width="100%">
<tr>
<td>
<div id="masterDiv" style="height: 480px; width: 600px;"></div>
</td>
<td>
<div id="slaveDiv" style="height: 480px; width: 430px;"></div>
</td>
</tr>
</table>
<xml id="toolbox" style="display: none">
<block type="controls_if"></block>
<block type="logic_compare"></block>
<block type="controls_repeat_ext"></block>
<block type="math_number"></block>
<block type="math_arithmetic"></block>
<block type="text"></block>
<block type="text_print"></block>
</xml>
<script>
// Inject master workspace.
var masterWorkspace = Blockly.inject('masterDiv',
{media: '../../media/',
toolbox: document.getElementById('toolbox')});
// Inject slave workspace.
var slaveWorkspace = Blockly.inject('slaveDiv',
{media: '../../media/',
readOnly: true});
// Listen to events on master workspace.
masterWorkspace.addChangeListener(mirrorEvent);
function mirrorEvent(masterEvent) {
if (masterEvent.type == Blockly.Events.UI) {
return; // Don't mirror UI events.
}
// Convert event to JSON. This could then be transmitted across the net.
var json = masterEvent.toJson();
console.log(json);
// Convert JSON back into an event, then execute it.
var slaveEvent = Blockly.Events.fromJson(json, slaveWorkspace);
slaveEvent.run(true);
}
</script>
</body>
</html>
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